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Siemens 3RT2 Contactor 24V dc Coil 3-Pole 9 A 4 kW 3RT2023-1BB40
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 85mm |
| Model | 3RT2023-1BB40 |
| Depth | 102mm |
| Width | 45mm |
| Mount Type | DIN Rail |
| Series | 3RT2 |
| Power Rating | 4kW |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw Clamp |
| Number of Poles | 3 |
| Standards/Approvals | EAC |
| Contact Voltage | 400V ac |
| Coil Voltage | 24V dc |
| Normal State Configuration | 3 NO |
| Better World Claim | Low Carbon Manufacture |
| Contact Current | 9A |
| Number of Auxiliary Contacts | 2 |
| Auxiliary Contact Configuration | 1 NO/1 NC |
| Operational Current Ie | 22A |
| Control Circuit Voltage Uc | 24V dc |
| Pole and Throw Configuration | 3P |
| WEG CWB Contactor, 24V dc Coil, 3-Pole, 9 A, 4 kW 24V dc, 3 NO, 690V acBrand | WEG |
Key Features
- Operates with a coil voltage of 24V dc for efficient control.
- Features 3 poles and a contact voltage of 400V ac for robust switching.
- Power rating of 4 kW suits various motor control applications.
- Mounts easily on a standard 35mm DIN rail with screw clamp terminals.
- Offers 2 auxiliary contacts configured as 1 NO and 1 NC for versatile control.
- Temperature operating range from -25°C to 60°C for diverse environments.
- Designed for longevity with approximately 10 million mechanical switching cycles.
- Protective front face prevents accidental contact, enhancing safety.
Product Description
Siemens 3RT2023-1BB40 Contactor is a highly reliable 3-pole device designed for industrial automation and control systems. It features a 24V dc coil voltage and supports contact voltages up to 400V ac, enabling safe and efficient switching of electrical circuits. The contactor is rated for a current of 9 A and has a power rating of 4 kW, making it ideal for controlling motors, conveyors, hoists, and machine tools in manufacturing and industrial settings.
This contactor is compact with dimensions of 85 mm in height, 45 mm in width, and 102 mm in depth, allowing for easy integration into control cabinets. It mounts on a standard 35mm DIN rail without the need for additional tools, supported by screw clamp terminals for straightforward wiring.
Equipped with 2 auxiliary contacts (1 normally open and 1 normally closed), it provides versatile control circuit configurations. The device operates reliably across a temperature range of -25°C to 60°C and resists shock and vibrations common in harsh industrial environments. Its durable design assures an estimated mechanical service life of approximately 10 million switching cycles, reducing maintenance frequency and downtime.
Safety is enhanced by a front face protection that prevents human contact and blocks wires or tools larger than 12 mm, lowering the risk of accidents during operation or maintenance.
Certified with EAC standards and manufactured in Germany, this Siemens contactor supports sustainable manufacturing practices with a low carbon footprint. Operates on a 24V dc coil for industrial control circuits. 3-pole configuration with a contact voltage capacity of 400V ac.
Current rated at 9 A and power capacity at 4 kW ideal for motor control. Mounts easily on DIN rail with screw clamp terminals for secure wiring. Includes 2 auxiliary contacts configured as 1 NO + 1 NC. Wide operating temperature range from -25°C to 60°C.
Shock-resistant design suitable for harsh industrial environments. Compact size allows space-saving installation in control panels. Long mechanical life of around 10 million switching cycles. Safety front face protection against accidental contact.
This Siemens 3RT2 series contactor is widely used in various industrial, manufacturing, and automation sectors, providing reliable switching capability for electrical motors and equipment. It supports the efficient and safe operation of industrial machinery, contributing to higher operational uptime and control system performance.
Explore the full range of Siemens automation and control products on EnvMart for quality and trusted industrial components.
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Frequently Asked Questions
The power rating of this contactor is 4 kW, making it suitable for various motor control applications.
It operates with a coil voltage of 24V dc, which is used for efficient control in industrial applications.
This contactor features a 3-pole configuration, allowing it to manage multiple circuits effectively.
The dimensions are 85 mm in height, 45 mm in width, and 102 mm in depth, allowing for easy integration into control cabinets.
The maximum contact voltage supported is 400V ac, enabling safe and efficient switching of electrical circuits.
It uses screw clamp terminals for straightforward wiring, ensuring secure connections.
The operating temperature range is from -25°C to 60°C, making it suitable for diverse environments.
This contactor is equipped with 2 auxiliary contacts, configured as 1 normally open (NO) and 1 normally closed (NC).
It has an estimated mechanical service life of approximately 10 million switching cycles, reducing maintenance frequency.
Yes, it features a shock-resistant design, making it suitable for harsh industrial environments.
It includes a protective front face that prevents accidental contact and blocks objects larger than 12 mm, enhancing safety during operation.
This contactor is manufactured in Germany and complies with EAC standards.
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